96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
/****************************************************************************
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* include/crypto/cryptodev.h
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*
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* Copyright (C) 2014 Gregory Nutt. All rights reserved.
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* Author: Max Nekludov <macscomp@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __INCLUDE_CRYPTO_CRYPTODEV_H
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#define __INCLUDE_CRYPTO_CRYPTODEV_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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#define RIJNDAEL128_BLOCK_LEN 16
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#define AES_BLOCK_LEN RIJNDAEL128_BLOCK_LEN
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#define CRYPTO_ALGORITHM_MIN 1
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#define CRYPTO_AES_ECB 1
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#define CRYPTO_AES_CBC 2
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#define CRYPTO_AES_CTR 3
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#define CRYPTO_ALGORITHM_MAX 1
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#define CRYPTO_FLAG_HARDWARE 0x01000000 /* hardware accelerated */
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#define CRYPTO_FLAG_SOFTWARE 0x02000000 /* software implementation */
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#define COP_ENCRYPT 1
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#define COP_DECRYPT 2
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#define COP_F_BATCH 0x0008 /* Batch op if possible */
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#define CIOCGSESSION 101
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#define CIOCFSESSION 102
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#define CIOCCRYPT 103
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typedef char* caddr_t;
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struct session_op
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{
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uint32_t cipher; /* ie. CRYPTO_AES_EBC */
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uint32_t mac;
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uint32_t keylen; /* cipher key */
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caddr_t key;
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int mackeylen; /* mac key */
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caddr_t mackey;
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uint32_t ses; /* returns: session # */
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};
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struct crypt_op
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{
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uint32_t ses;
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uint16_t op; /* i.e. COP_ENCRYPT */
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uint16_t flags;
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unsigned len;
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caddr_t src, dst; /* become iov[] inside kernel */
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caddr_t mac; /* must be big enough for chosen MAC */
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caddr_t iv;
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};
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#endif /* __INCLUDE_CRYPTO_CRYPTODEV_H */
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